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69976 (1998 WD6)
Classification: Main-belt Asteroid          SPK-ID: 2069976
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1773491043509198 6.2634e-08  
a 3.035577874118876 3.7388e-08 AU
q 2.497220856956424 1.9721e-07 AU
i 4.490361895683467 8.4407e-06 deg
node 14.26515011931563 9.5125e-05 deg
peri 66.02722795284964 9.8387e-05 deg
M 353.3043799776797 2.8182e-05 deg
tp 2457036.429303096205
(2015-Jan-13.92930310)
0.00015154 JED
period 1931.7925855284
5.29
3.569e-05
9.771e-08
d
yr
n .1863554103566092 3.4429e-09 deg/d
Q 3.573934891281329 4.4019e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      562  
   data-arc span      7596 days (20.80 yr)  
   first obs. used      1994-01-17  
   last obs. used      2014-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5432  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 15:04:50  

Additional Information
 Earth MOID = 1.51668 AU 
 T_jup = 3.213 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.1 mag n/a MPO267920  

69976 (1998 WD6)          Discovered 1998-Nov-18 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 WD6 = 1994 BQ5 = 2000 EM130 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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